You might want to take a look at this lovely helpful document, and understand what kind of learner you are. You might be able to improve how to revise and be a better student as a result – If you implement it.

Some people pick up the good ‘studious’ manner automatically as they go through life, but for others, it only becomes apparent when it’s pointed out.

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A Student’s Guide to Revision. By The Broxbourne School. 2010-11

http://www.broxbourne.herts.sch.uk/_files/users/cath/students_guide_to_revision_20102011.pdf

Note: By far the BEST revision is paced, continual revision, not last minute stuff. If you are looking from ‘cramming’ help, I’m not sure this document will be of much assistance.